Please report any broken links or trouble you might come across to the Webmaster. Please take a moment to let us know so that we can correct any problems and make your visit as enjoyable and as informative as possible.

NavSource Online:
Submarine Chaser Photo Archive


Call sign:
Nan - William - Uncle - Queen


SC-497 Class Submarine Chaser:

  • Laid down 17 November 1941 by the Daytona Beach Boat Works Inc., Daytona Beach, FL
  • Launched 21 March 1942
  • Commissioned PC-669, 24 July 1942
  • Reclassified SC-669 in April 1943
  • Sank Japanese submarine RO-107, 29 May 1943 off Kolombangara Island, Central Solomon Islands
  • Decommissioned in November 1945
  • Struck from the Naval Register 19 December 1945
  • Transferred to the Maritime Commission 26 March 1947
  • Sold to the Philippines
  • Fate unknown.


  • Displacement 148 t.
  • Length 110' 10"
  • Beam 17'
  • Draft 6' 6"
  • Speed 15.6 kts.
  • Complement 28
  • Armament: One 40mm gun mount, two .50 cal. machine guns, two depth charge projector "Y Gun," and two depth charge tracks
  • Propulsion: Two 880bhp General Motors 8-268A diesel engines, Snow and Knobstedt single reduction gear, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    SC-669 70k Photo from "Splinter Fleet" by Theodore R. Treadwell Robert Hurst
    SC-669 91k Moored to pier with SC-508 outboard Charleston Navy Yard, 10 August 1942. In background, at left, is the small steamer Mary Queen of Augusta, GA
    Navy photo NH 96482
    Naval Historical Center

    Commanding Officers
    01LT Frederic Gibbs, USNMay 1943
    02LTJG S. C. Allen, USNR1945
    Courtesy of Joe Radigan

    There is no DANFS history available for SC-669
    Additional Resources and Web Sites of Interest
    Patrol Craft Sailors Association
    Back To The Main Photo Index Back To the Patrol Craft/Gunboat/Submarine Chaser Ship Index Back to the 110' Submarine Chaser (SC) Photo Index

    Comments, Suggestions, E-mail Webmaster

    This page created by Gary P. Priolo and maintained by Tom Bateman
    All pages copyright NavSource Naval History